Home / 6,486-12,189

Finding the Third Proportional to 6,486 and 12,189

Calculator

Solution

The third proportional to 6,486 and 12,189 is: 22,906.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,486 : 12,189 = 12,189 : x
  2. Step 2: Convert to fraction form
    6,486/12,189 = 12,189/x
  3. Step 3: Cross multiply
    6,486x = 12,189 × 12,189
  4. Step 4: Simplify right side
    6,486x = 148,571,721
  5. Step 5: Solve for x
    x = 148,571,721/6,486
  6. Step 6: Final answer
    x = 22,906.52

Related Problems

Find third proportional to 3,243 and 6,094.50
Half scale
Find third proportional to 12,972 and 24,378
Double scale
Find third proportional to 6,488 and 12,193
Similar ratio
Find third proportional to 9,729 and 18,283.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.